- Fixed worker process crash when the Channel::push exceeded 8K and failed to create temporary file
- Fixed MacOS event of shutdown cannot be executed
- Automatically create the task_tmpdir and upload_tmp_dir directories
- Fixed the SSL server to set the ciphers or ecdh_curve problems that cause the crash
- Optimize the performance of the Server::bind method using a spin lock
- Added the reload_async option to control the asynchronous reboot of the switch
- Added the tcp_fastopen option to turn on TCP fast handshake

- Update HttpClient, when the connection is overtime or when the server is reset, the callback is not completed
- Update HttpClient, the underlying increase request timeout mechanism
- Update the bottom of the client support mqtt agreement
- Fixed WebSocket server custom handshake method more than the header
- Fixed onTask memory leak
- Fixed HttpServer special circumstances the release of the problem of the crash occurred
- Fixed WebSocket::unpack Passing an empty string causes a problem with parsing errors

- Fixed a problem with the rectifier overflow of the DNS resolver request ID
- Update swoole_table::get method, increase the parameters to support only the value of a field
- Update getClientInfo return value from_id entry to reactor_id
- Fixed the Http2 client POST data when the protocol is faulty
- Fixed swoole_async_dns_lookup target host IP contains 0 when the return value is wrong
- Fixed crash when tcmalloc and jemalloc are enabled

- Added support for systemd.socket
- Added swoole\http2\client
- Added client support for http-proxy
- Added the swoole_process::close parameter, allowing only one of the pipes to be closed
- Fixed MySQL client crash when the low version gcc is compiled
- Fixed the crash in the BASE mode shutdown
- Fixed openssl-1.1 configuration detection error problem
- Fixed open_eof_split after enabling BASE mode to turn off connections in the onReceive callback function
- Fixed the problem with the Redis \ Server :: format function SET and MAP formatting errors
- Fixed a problem that caused a crash when a string type variable was passed directly when swoole.fast_serialize was enabled
- Update The reactorId variable in the onClose callback is set to -1 when the server actively shuts down the connection

- Fixed server cannot shutdown when using addProcess
- Fixed Async::write function does not set the callback function to crash
- Fixed a problem with the Table Iterator missing data
- Added Async::writeFile FILE_APPEND option supports
- Added file lock to Async::write/read function
- Refactor the implementation of the Async::write function, using O_APPEND
- Refactor reopen the reopen log file feature
- Fixed taskWaitMulti unable to return to the results of the successful implementation of the task after a timeout
- Timers use monotonic time to solve the system time to modify the problem caused by timer confusion